Is Midway Airport (Chicago) open 24 hours? -

I have to leave my college dorm about 12 hours before my flight actually leaves, as long as I have my boarding pass would I be able stay overnight at Midway. My flight leaves at 9:30 am and I would get to Midway around 8:00pm. Thanks.

Yes, it is open 24 hours. There are flights scheduled to depart all times of the day and night.

Yes. It is a major airport.

YES, i have been stuck there before in the middle of the night